289 MW Natural Gas operating in Hampden, MA — ISO New England Inc.
289 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combined Cycle
Technology
1999
Operating Since
Coordinates
42.0479, -72.6476
County
Hampden, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Berkshire Power Co LLC | Berkshire Power | — |
| Owner(s) | Berkshire Power Co LLC | Tenaska Energy | — |
| Status | Operating | — | — |
Berkshire Power is a 289 MW natural gas-fired combined cycle power plant located in Hampden County, Massachusetts. The plant began operating in 1999 and has one generator. It is owned by Tenaska Energy and operated by Berkshire Power Co LLC. Berkshire Power is connected to the ISO New England Inc. balancing authority and is within the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year of data, Berkshire Power generated 573,345 MWh of electricity, achieving a capacity factor of 22.4%. The plant ranks as the 7th largest in Massachusetts out of 15 plants, and nationally it ranks 653rd out of 945 plants.
Generated from EIA, GEM, and public data sources
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
53.5K MWh
Latest Month
573.3K MWh
Annual Generation
22.4%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Berkshire Power Substation · 115 kV
Substation Distance
< 10 km
Operator
Berkshire Power Co LLC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.BERK_PWR21 BERK(1086)
Pricing Hub
.H.INTERNAL_HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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